... ZS300MeterLength: R2, R3.Application: serves as walls of a well .Packing: bundle or bulk Material grade: J55 ... ZS300MeterLength: R2, R3.Application: serves as walls of a well .Packing: bundle or bulk Material grade: J55 ... NUE,PASTM A500 Gr. A,B,C,DASTM A53 Gr. A,B ASTM A106 Gr. A,B,CASTM A335 Gr ... -pressureboiler pipe20G,A106,ST 45 GB5310-95ASTM A 106-99DIN17175-7914-630*2-80Temperature-resistantseamless ...